local torchDistance = 0 -- Distanz für Fackel
local fuelLevel = turtle.getFuelLevel() --FuelLevel
local fuelMaterial = turtle.getItemCount(1) -- Brennstoff
local torch = turtle.getItemCount(2) -- Anzahl Fackeln
local chests = turtle.getItemCount(3) --Anzahl Chests
local placeBlock = turtle.getItemCount(4) -- Bloecke die platziert werden wenn unter der Turtle nichts ist

function ivFull()
    local full = true
        for i = 5,16 do
            if turtle.getItemCount(i) == 0 then
                full = false
            end
        end
    return full
end


function torchPlacement()
    if torchDistance == 8 then
            turtle.select(2)
            turtle.turnRight()
            turtle.turnRight()
            turtle.place()
            turtle.turnLeft()
            turtle.turnLeft()
            torchDistance = torchDistance - 8

    end
end

function fuelLevel()
    if turtle.getFuelLevel() < 100 then
        turtle.refuel(1)
        end
    end

function mine()
    fuelLevel()

    while ivFull() == false do

        if turtle.detectDown() == false then
            turtle.select(3)
            turtle.placeDown()
        end

        if turtle.detect() then
            turtle.dig()
            turtle.forward()
            turtle.digUp()
            turtle.turnLeft()
            turtle.dig()
            turtle.up()
            turtle.dig()
            turtle.turnRight()
            turtle.turnRight()
            turtle.dig()
            turtle.down()
            turtle.dig()
            turtle.turnLeft()
            torchDistance = torchDistance + 1
        else
            turtle.forward()
            torchDistance = torchDistance + 1
        end

        torchPlacement()

    end
    if chest > 0 then
      turtle.select(2)
      turtle.digDown()
      turtle.placeDown()
      chest = chest - 1
         for slot = 5, 16 do
           turtle.select(slot)
           turtle.dropDown()
           sleep(1.5)
         end
           turtle.select(5)
   else
     print("turtle run out of chest")
      os.shutdown()
   end
end

function check()
local error = 0

if torch == 0 then
    print("Im Slot 2 fehlen Fackeln")
    error = error + 1

else
    print("Fackeln sind vorhanden")
end

if fuelMaterial == 0 then
    print("Im Slot 1 fehlt Brennstoff")
    error = error + 1
else
    print("Brennbares Material vorhanden")
end

if chests == 0 then
        print("Es fehlen Kisten")
        error = error + 1
    else
        print("Kisten vorhanden")
end

if error == 0 then
    return true
else
    return false
end

end

function Start()
    if check() == true then
        mine()
    else
        print("Slots ueberpruefen")
    end
end

Start()